MATLAB Functions

Create and display question dialog box

button = questdlg('qstring')
button = questdlg('qstring','title')
button = questdlg('qstring','title','default')
button = questdlg('qstring','title','str1','str2','default')
button = 
questdlg('qstring','title','str1','str2','str3','default')

Description

button = questdlg('qstring')

displays a modal dialog presenting the question 'qstring'. The dialog has three default buttons--No, Cancel, and Yes. 'qstring' is a cell array or a string that automatically wraps to fit within the dialog box. button contains the name of the button pressed.

button = questdlg('qstring','title')

displays a question dialog with 'title' displayed in the dialog's title bar.

button = questdlg('qstring','title','default')

specifies which push button is the default in the event that the Return key is pressed. 'default' must be 'Yes', 'No', or 'Cancel'.

button = questdlg('qstring','title','str1','str2','default')

creates a question dialog box with two push buttons labeled 'str1' and 'str2'. 'default' specifies the default button selection and must be 'str1' or 'str2'.

button = 
questdlg('qstring','title','str1','str2','str3','default')

creates a question dialog box with three push buttons labeled 'str1', 'str2', and 'str3'. 'default' specifies the default button selection and must be 'str1', 'str2', or 'str3'.

Example

Create a question dialog asking the user whether to continue a hypothetical operation

button=questdlg('Do you want to continue?','Continue Operation', 
...
                 'Yes','No','Help','No');

if strcmp(buttonName,'Yes'), disp('Creating file');
elseif strcmp(buttonName,'No'), disp('Cancelled file operation')
elseif strcmp(buttonName,'Help'), disp('Sorry, no help 
available');
end